Multiple choice

Which of the following is an incorrect statement about NSSet in Objective C?

  1. It has distinct objects.

  2. It is immutable.

  3. It is used to store and retrieve primitive values.

  4. The elements can be altered in NSSet.

  5. An NSSet can be created through the set with objects: class method.
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C Correct answer
Explanation

It is not used with primitive values as it is not a wrapper class.

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